Sample crushing apparatus



FIG. 1 is a front perspective view of a sample crushing apparatus of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a first side view thereof;

FIG. 5 is a second side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a front perspective view thereof with a cover being in a raised position.

The broken line showing of printed circuit board is included for the purpose of illustrating environment and forms no part of the claimed design. 

CLAIM We claim the ornamental design for a sample crushing apparatus, as shown and described. 